Though golden retrievers were initially bred to handle the rainy climate and rugged terrain of the Highlands in Scotland, they've since become one of America's most popular dog breeds. Whether they're hunting, working as guides for the blind, performing search-and-rescue missions, or cuddling on the couch, golden retrievers are known for being as powerful and hardworking as they are loyal and sweet. Like with any other breed, there are common health issues more prevalent in goldens than other dogs, but the right care will keep your canine best friend happy. You'd be hard-pressed to find someone who hasn't heard of this breed, but here's what you may not know: there are actually three different types of golden retrievers. Though the differences are slight, here's what makes Canadian, British, and American golden retrievers distinct from one another.